```html
<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Java线程池核心机制解析</title>
    <link href="https://cdn.staticfile.org/font-awesome/6.4.0/css/all.min.css" rel="stylesheet">
    <link href="https://cdn.staticfile.org/tailwindcss/2.2.19/tailwind.min.css" rel="stylesheet">
    <link href="https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;500;600;700&family=Noto+Sans+SC:wght@300;400;500;700&display=swap" rel="stylesheet">
    <style>
        body {
            font-family: 'Noto Sans SC', Tahoma, Arial, Roboto, "Droid Sans", "Helvetica Neue", "Droid Sans Fallback", "Heiti SC", "Hiragino Sans GB", Simsun, sans-serif;
            background-color: #f8fafc;
            color: #1e293b;
        }
        .hero-gradient {
            background: linear-gradient(135deg, #3b82f6 0%, #6366f1 100%);
        }
        .card-hover {
            transition: all 0.3s ease;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
        }
        .card-hover:hover {
            transform: translateY(-4px);
            box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
        }
        .highlight-text {
            position: relative;
            display: inline-block;
        }
        .highlight-text::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 30%;
            background-color: rgba(59, 130, 246, 0.2);
            z-index: -1;
            transition: height 0.3s ease;
        }
        .highlight-text:hover::after {
            height: 50%;
        }
        .mermaid {
            background-color: white;
            border-radius: 0.5rem;
            padding: 1.5rem;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
        }
        .code-block {
            background-color: #1e293b;
            color: #e2e8f0;
            border-left: 4px solid #3b82f6;
        }
        .drop-cap::first-letter {
            float: left;
            font-size: 3.5rem;
            line-height: 1;
            margin: 0.15em 0.15em 0.1em 0;
            color: #3b82f6;
            font-weight: 700;
        }
    </style>
</head>
<body>
    <!-- Hero Section -->
    <section class="hero-gradient text-white py-20 px-4